Studies of stable environmental isotopes (deuterium and oxygen-18) of surface and groundwater.

Studies of origin and residence time of groundwater (tritium, carbon-14).

Studies of origin and biogeochemical processes of sulfate (sulfur-34 and oxygen-18).

Tracer studies with isotopic tracers.

Design of contact water infiltration early warning systems, based on isotopic monitoring.

Fault detection and monitoring.

Support for karstic studies.